Fill out the Homestead Tax Credit, 54-028 form. Return the form to your city or county assessor.Eligible claimants who are 65 years of age or older on or before January 1 of the assessment year are now eligible for a homestead tax exemption. Iowa law provides for a number of credits and exemptions. Address: City: State: ZIP: Phone: Answer these questions to determine eligibility: 1. Are you currently an Iowa resident? Application for Exemption Instructions Details on how to fill out and mail your Property Taxation Exemption Form , PDF: Application for Exemption Property Tax. The Iowa Department of Revenue has amended the Homestead Tax Credit and Exemption form (54-028) to allow claimants to apply for the new exemption. Pre-populated Homestead Tax Credit Application Forms are available to be printed from within your parcel on our website. I'm Pepper, your personal job assistant at Papa Johns!